JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 25 June 2022, Shift 2, Physics Q35

Question 35 of 90 in this shift, Physics question 5 of 30, Section A.

A copper block of mass 5.0 kg is heated to a temperature of

500^\circ\mathrm{C}

and is placed on a large ice block. What is the maximum amount of ice that can melt? [Specific heat of copper :

0.39\ \mathrm{J\ g^{-1}\ ^\circ C^{-1}}

and latent heat of fusion of water :

335\ \mathrm{J\ g^{-1}}

]

(1)1.5 kg
(2)5.8 kg
(3)2.9 kgOfficial answer
(4)3.8 kg

Official answer

Option 3

NTA final key.

Chapter: Thermal Properties of Matter
Topic: Calorimetry
Idea tested: Latent Heat and Phase Change

Same idea in other shifts

Asked 4× in all

25 Jun 2022, Shift 1 · Q54A steam engine intakes 50 g of steam at $100^\circ$ C per minute and cools it down to $20^\circ$ C. If latent heat of vaporization of steam…EasyNumerical value
3 Aug 2021, Shift 1 · Q22A steam engine intakes 80 $g$ steam at 100°C per minute and cools it down to 30°C. The heat energy consumed by the steam engine per minute…EasyNumerical value
4 Sep 2020, Shift 1 · Q7The specific heat of water = 4200 J kg $^{-1}$ K $^{-1}$ and the latent heat of ice = $3.4\times10^5$ J kg $^{-1}$ . 100 grams of ice at 0°C is…EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.